Burglar alarm



Aug- 25, 1931- l G. JAKoPl-:c ETAL 1,820,805

BURGLAR ALARM Filed Aug. 8, 1929 2 Sheets-Sheet l ATTORNEY? Aug. 25, 1931. G. JAKoPEc ET AL 1,820,805

BURGLAR ALARM Filed Aug. s. 192sl :e sheets-sheet 2 BY V' wHwmez,

ATTORNEYS; v

.A 49,1ockvbarrel' 36 is rotatable' in a vbearing open-Q' lustrated, the free end of the lever22 beingV disposed adjacent the free swinging edge of the door 10. The cartridge barrel 27 associated with thecasing 17 and Ytiring pin 2O vhasthe base flange 2,8 thereof anchored to the wall 11 and `spacedfroni the'base flange 18 of the casingl?, the adjacentendof the casing y17 andy barrel 27 being spaced apart;A

. a sufHcient distancetopermit the positioning ofa blanlrcartridge 29 as shown in Figure .8 between thexcasing and .barrel for insertion f in the barrel, but preventing the placing et abullet Vcarrying ycartridge into the barrel; Different gauge or caliber ,oartridgesrnay bel *insertedV in the barrel 2T`byfmounting therei" in the collar dshown- -in-Figure 8., `It is vpossible for. the Airingpin to beprojected.V

i without Afiring the cartridge 29 and to accomplish this purpose',l there is,A provided ag- Y guard arm 31 pivotally mounted and tenj si' oned, ontheY pin- 32 carried bythe inner ups l per end of the barrel 27 `to -be 'swungV into the path kofinovement Voff the iringvpin .2O and f covering,theheadof` the cartridge 29, one

lsider of the swinging'end of the .guard arm 31'v having an arcuate flange` 33-to engage the,

' rim 29a of the cartridge 'for-limiting swinging .movement of the arm Vand centeringthet vsame directly in line with Vthe cartridge'head .Y as 'will be understood from an inspeeti-on;ot1 Figure.. e D

The operating mechanism 162V for thecarf tridve'liring audiblesignal 13 is carried by 35,;secured'ras at totheinner sideof the-door,v`

ybythe screw pins 40, one endo a trip lever I' 'n 41, abearing block 42 is retainedgon, thel y suigiported'up-on the-upper end yof the screw pin 43and retained by the headl43a thereorl 6i)A with the Vlire-eendA of the guardarm 45 having forward end ofthe trip lever y41 extends. .AH

the doorvlO andincludes a mounting plate 34 1Q for the support of'arms moved .to opera-Y tive position from' points at opposite sides of thedoor for engagement vwith thelever- 22 Y toreleasfe thek samefromthe liringpin 20. A

ingvin thetdoorlOrand houses` a bolt that is The free swingingxend yofthe' pivoted armV 39isy pivotally mounted upon its upper side mountingiplate 134 thethreaded screw pin 43extending abovelthe lock 42having` a guide' ,for-the trip lever 41 by extending :through af longitudinal slot 44.1'formed insaid tripylever 41.2 V1,1 guard arm'torhas'one end pivotally depending Vside flanges 46between' whichthe second trip ylever isflongitudinally slotted atl48and is received on theserew pin -4-3fbel tween `thebloclr and lever1 414 as shown in Figure 5, the same extendingbetwee'n the side flanges 46 and the guard arm 45 while itsinner end is attached to the pin 49 eX- tending upwardly through the slot 44 in the trip lever 4 1 and tensioned as at 50 for hold- Ving the trip levers 41 and 47Y frictionally engaged with keach other. :v Y t With the;aiidible''signals13 or cartridge firing device' in the setposition shown in 1*" igure 1,r with the finger '24 of the lever 22 fenlgagedlin the side notch}25' ofthe firingpinr 20, the operating mechanism for t-he signal 13 ycompri'sing the trip levers 41 and 47 are set or shifted -to positions inwardly of or beneath tlieiorwai'd end' of the arm 22 so that n vwhen the door lO is opened, the arm-22 will be moved! upon its pivot pin 2,3 to release the iring pinv20r; for iiring the cartridge 29,E and, as previously-stated, the cartridge guard 3l shifted to apposition Valigned with the cartridge togprevent firing thereof. Y After the door has been locked inthe usual'mannery by thelcustoinary lock; mechanism l2 fromzthe inner side efthe` door, lthefpin 49rjthat is normallyretracted tothe Vinner end; of the slotf44 in the tri-p lever, 41l isfmanually en- Y gagedfor shifting the trip lever'47 to the :full ingle-position shownin Figure 2. When the door is opened, the projecting end 'of the Vtrip lever 47`engagestlielever 22 tovreleasej the firing pin. l`-lvlhen the tripilevers arel shifted fto set positions from Vtheouter side of' the door, the liey 37 operates tlierbolt 38 to lswing the arm 39 and move the lever41 throughthe dotted line'position shown in Figure 4 to the Vfull, line4 position lshown in Figure :3, and, assiimingvthat'trip levers are being` setlfro'm ,the V outer side of the door, with the trip lever 471 lretracted the fric-Aey tional engagement betweentliegtwoY trip levers when both` are'gto be forwardlyprojectedto theop'erative position shown in VEVigure 3.' I. It f 'is also possibleftonianuallyretract trip levers 4lf;an,dI 47` from the inner side of ,theV door while engaging. tbe-Kpin'49`to swing thetwo trip levers -upon the pivotjguide and screwy pin'43 andthe arm .39:upon thebolt endl38,

AVU-shaped frame eompri'sing'k crenelated side armsl shown .more clearly in Figure 6 is'mountecl upon tlie'wallll with the free' end of the lever ,22 eirtending therebe soy i rio This iframe' member iS aftelltale device to in-y dicate to one familiar With'the'burglar alarmp mechanisnithe fact that( the alarm device Yis inV set' position. During the' initial lopenings movement-of the fdoor, resistance thereto is Vencountered by endeavoringtojforce they lever 22v beyond' the corri'igations of the .arms 51:

and "when repeated resistance is encountered, a person possess-ed othefproper `operating key 37 maythenuse *thev 'saine'.'to i retract Vthe trip levers4l and 47 .for gaining lawful'entry.

V'AHsecondaudible signal, together with al 'visualsignal *are*I associated f'withr'tlie alarm meCllanism, and as shown in vFigurev l', the.

battery has leadib to the iiring Vpin casing 17, While-the otherleadgc from f the vbattery'a extends 'throughthegsign'al.14 ycomprising abell-` 14a.' and from said signal y1e, r-th'ezvvire di extendsfto and is A.connected with the ycartridge barrel 27. When the firing pin'in thecasing 17-movesfinto engagement i with`A the cartridge 29 vin the, barrel27 of the gnard'arm'lcarried thereby, the circuit is .conceived foi-"sounding therbell 14a. AThe yvisual signal l15. comprising the .lamp 15a has'- ',onevvire therefrom4 aspat'c connected lto the firing piny casing 17 the othery Wire from the Y lampla indicated at 'f extending to a source 4of energy, in this', instance, theA source of' j supply for the house Wiiing,pvvhile the other line g having a control switch 8 therein is connected with the cartridge-barrel127,and

* When the switch 8 isin'rcl'osed posit-ion, the

rlamp la'is illuminated upon operation of the ksignal device 13.-` ,The `lamp 150;. mayy be positioned in any particular place desired,

Y yWhile more than onelamp maybe4 included in thiscircuit.

" From the above detailed ydescription ofthe",V

invention, yit is believed thatthe construction and yoperation thereofy Will' at lonce `be apparent, and Whilethere is herein shown and i l "described the preferredembodiment of the f' Y3l) invention, it is nevertheless to beunderstood that minor v`changes may be madey therein A Without departing from the spirit and scope lre'rated by said mechanism. 1

y alarm comprising devices mounted on ay door, and loperated at the f inner side ofthe door' and keyoperated atthe'outer side for placing ofthe invention'as claimed.V {VVeclaiim- 'f 1.- Operating. mechanism for afburglar alarmcomprising devicesmountedon a door and vseparately operable ,zilfrombothl sides' of f the door for placingfthe operatingmechaf nism in set position, anda control .lever op,

2;? Operating mechanism or'ay k,burglar theioperating mechanism in set'position, and

la control lever.y operatedby said mechanism.

Y ykr 3. Operating mechanism for a burglarf alarm comprisingdevlces mounted on adoor sei."

and separately operable nfrom"jbothsides 'of the door* y.for placingthe :operatingy mechai nismyin ysetposition. a'Cpntrolflever operated ,by said mechanism, the devices includinga pair of frictionally engaged Vsliding trip levers,f`one.movable relative tothe other. j

4, Operating mechanism Vfor y"a burglar alarm comprising devices mounted .on a door andghand operated k'at' the 'inner side'of the,

l door,*andf-key'operated at the outer side'for i placing the operatingmechanism vinset position, a control 'lever operated'by said mechaknismand the devices includingapair of slidfr ingy trip ylevers lone movabler relative to the "5. yOperatingy mechanism .for a bur' lar alarm comprising devicesr mountedfon a oor and rv`and separately f operable* from bothsides n, the ,doon forplacing the operating-mecha 1 Vnism in set position, ak controlflevergoperatedg by said'mechanism, the devices includinga pairloslidingv trip levers, one movable rela. tivelto the other, and'one of said levers being l n handoperated, andkeyjoperated means for l l n, movingboth leversfxf 7., L f f V`i'6,Operating mechanism rfor .sa burglar alarm comprising` devices mounted on a door and handy operated atthe inner'side ofthe door, and keyoperatedfat theiouter side for placingthe operating ymechanism yin set posi tionyacontrol lever operated by said Amecha; nism, theidevices vincluding a pair of sliding triplever's, onemovable relative to thecther,

androne .of said levers being hand operated,

'keyperftted means "for moving both levers., n,

4VOperating'mechanism y for ya burglar alarmfcomprisingdevices mounted on a door andlseparately operable 'from both7 sides off f e the door,` for .placingthe operating mecha-f .nismin set positioma controllever operated] byy said mechanism,- ydevices includingV a pair ofsliding trip levers, one movable relative to the other,fandl frictionally engaged'y ,with each c yother,"fon e of saidtrip levers being handop- Y erated at the'inner'side of the door, andy key' operated means engaged-With kthe other lever fromy fthe! outerk side of theV door, for lmoving both levers. jli f i f' 8;'Operating mecha'nism for a` bi`ir, glar4 alarm comprising devices mounted onadoor, and handoperated at k,the inner side of; the f door. kand Akeyr koperated at' the outer side '-or placingthe operating mechanism inset posi-cy tion, a control leverfoperated by'said mecha# i y i* msm', the devices including apair ofsliding .trip levers, 'one movable yrelative to the other and: frictionally engagedy With eachother, oney of;saidtripleversbeing hand operated atthe f" ,n f inner side ofthe door and key operated m'ean'sfA engagedlvviththefether lever 'from theouter' A f H0 f YV9; Operating mechanism jfor ai burglarif alarm comprising devices mounted ona door f fand'operableqf-rcm either side of the' doorfor sideofth'e door for movingboth leversf placing the operating mechanism in set'posil tion,aa' control lever operated by' said' mecha-vy nis`m`,-`the devicesincludingja pair of slidingE trip levers", yon'efmovablerelative tothe other,I i andgfrictionally engaged with each other, onerv ofsaid trip' leversbeing-hand operated `at the,` c y innerside of the door and key operated means' engaged'with the other levervfrom thefouter.`

alarm-1comprising,-'devicesmounted ony a door and'hand' operatedv at the winner 'side or` the doorandlrey operated atthe outer sideror` placingtheoperatingmeohanism in setl posi-VV tion, acontrolleveroperatedby said mechaj'nism, the deviees includinga pair of sliding trip levers, one movable relative to the otherl and 'ictionallyengaged With each otheryone f of said trip levers being hand operatedat the 'f Vinn'ereide of the doorfand'key operated means engagedvwiththe other lever from the outer side of the doorforymoving'both levers, oneVr of said triplevers being pivotally mounted 'ori-as'wingingarm that isLkey-operated, ay guide? pin vand lsaid pivoted trip leverbeing longitudinally slotted with the guide pin extending therethrough, vand A the other trip lever being'slotted and mounted on theguide pm. i Y. ll. Operating mechanism for a burglar 2. alarm comprisingdevices mounted on ay door l and operable romeither side of the door for placing the operatir'ig mechanism inset positionya control lever operated by said mechasV i nismythe devices including apair of sliding y trip levers,V one movable relative tothe other,v

and'fr'ictionally engaged with each other, oneV of said trip levers being hand operated at the: inner side of the door andkey operated means engaged vvith'the other'levererfrom thebuter 30. side orv the door formovingb th levers, one

- of saidtrip levers being pivotally mounted on a swinging arm that is key operated,.a

guide pin and said pivoted trip lever being longitudinally slotted With the guide pin exfn l i tending therethrough,-the other trip leverbe- Ving'slotted and mounted onthe guide pin, and, I Y. Y aguidearm for theoperativeends of the trip levers `carriedloylthe guidepin. Y i

v l2. Operating mechanism for a burglar v lalfarm comprising devices mounted on a doorVV and hand operated at the Y inner side Voaf? the door and key operated at lthe outer' side -for plaeing'thefoperating mechanism in set posi- Y, tion,a control lever operated lbythe 'said' Y z'mechanism, devices including apairof slid- Ving trip levers, one Ymovable 'relative to Vthe t other vand frictionally engaged with veach f Y other, one o said trip levers being hand opr-l erated at the inner side ofthe door and key 1.503.` operated means engaged With the other lever j i fromtheouter side of the door formoving e ,bothlevers, one 'of said trip levers being piv.- n vx otally mounted on a swinging arm that'is key f* operated, a guide pin vand said pivoted-trip V` Y 552 lever being longitudinally'slotted with thev guide pin extending therethrough', the other Y trip lever being slotted and mounted onV the' v guide pin, and aY guide arinfor the operative endsof the trip Vlevers carried by'fthe guide l 'In testimony vvhereoflweiaflix our signa-s. H

' GEORGE JAKoPEe i Jenn r; sALLEY.

f tures.Y l

" ,Y i .,v-INQENTVgSCHWARZ, 

